<template>
  <div v-show="modelValue">
    <div v-if="type == 'image'">
      <el-image-viewer v-if="previewPage.length" :url-list="previewPage" hide-on-click-modal @close="handleClose" />
    </div>
    <div v-if="type == 'video'">
      <el-dialog v-model="visible" width="740px" title="视频预览" :before-close="handleClose">
        <video-player ref="playerRef" :src="url" width="100%" height="450px" />
      </el-dialog>
    </div>
  </div>
</template>

<script lang="ts" setup>
const props = defineProps({
  modelValue: {
    type: Boolean,
    default: false
  },
  url: {
    type: String,
    default: ''
  },
  type: {
    type: String,
    default: 'image'
  }
})
const emit = defineEmits<{
  (event: 'update:modelValue', value: boolean): void
}>()

const playerRef = shallowRef()

const visible = computed({
  get() {
    return props.modelValue
  },

  set(value) {
    emit('update:modelValue', value)
  }
})

const handleClose = () => {
  emit('update:modelValue', false)
}

const previewPage = ref<any[]>([])

watch(
  () => props.modelValue,
  (value) => {
    if (value) {
      nextTick(() => {
        previewPage.value = [props.url]
        playerRef.value?.play()
      })
    } else {
      nextTick(() => {
        previewPage.value = []
        playerRef.value?.pause()
      })
    }
  }
)
</script>
